These are the ten longest rivers that run through the state of Texas. Most people think of Texas as a hot, dry place, but there are actually many rivers in the state. Some of these rivers flow entirely in the state of Texas, but most also flow through other states.
The ten longest rivers that flow through at least a part of Texas. Most of these rivers have dams located along them for water collection for drinking water and for power uses. Texas can be hot, dry place, especially in the summer, and by damning these rivers the state is able to supply water where needed year round.
10 Longest Rivers in Texas
1. Rio Grande- 1,896 miles
The Rio Grande River, which flows 1,896 miles from its source at the base of Canby Mountain in Colorado to the where it empties into the Gulf of Mexico in south Texas along the border with Mexico, is the longest river in Texas. The Rio Grande River flows roughly 1,250 of its miles through the state of Texas, making up the main border between Mexico and Texas.
2. Red River- 1,360 miles
The Red River is the second longest river that flows through Texas. It flows a total 1,360 miles from its source in Harmon County, Oklahoma and Randall County, Texas where Buck Creek and Prairie Dog Town Fork meet to where it runs into mainly the Atchafalaya River and also the Mississippi River in Louisiana. The Red River flows roughly 680 miles through Texas, including going through beautiful Palo Duro Canyon.
3. Brazos River- 1,280 miles
Counting the length of its feeder streams in New Mexico, the Brazos River is 1,280 miles long. It runs 840 miles through Texas to where it empties into the Gulf of Mexico near Freeport.
4. Pecos River- 926 miles
The Pecos River flows 926 miles from its source at Pecos Falls in New Mexico to where it empties into the Rio Grande River near Del Rio, Texas. The Pecos River flows roughly 200 miles through Texas.
5. Colorado River- 862 miles
The Colorado River in Texas flows 862 miles entirely through Texas from its source in Dawson County to where it empties into the Gulf of Mexico at Matagorda Bay. This is not the Colorado River that flows through the Grand Canyon.
6. Canadian River- 760 miles
The Canadian River flows 760 miles from its source in the Rocky Mountains in Colorado to where it flows into the Arkansas River in Oklahoma. Along its route, the Canadian River flows roughly 200 miles through Texas.
7. Trinity River- 710 miles
The Trinity River flows 710 miles entirely through the state of Texas from its source in northern Texas to where it runs into the Gulf of Mexico through Trinity Bay and Galveston Bay at the town of Anahuac, about 20 miles east of Houston.
8. Sabine River- 555 miles
Image Source (Beach near Sabine Pass where Sabine River flows into Gulf of Mexico)
The Sabine River flows 555 miles fro its source in northeast Texas, to where it empties into Sabine Lake along the Texas and Louisiana border.
9. Neches River- 416 miles
The Neches River flows 416 miles entirely through the state of Texas. The Neches River rises in northeast Texas, and flows south to where it empties into Lake Sabine.
10. Nueces River- 315 miles
Image Source(Corpus Christi Bay where Nueces River flows into)
The Nueces River flows 315 miles entirely through Texas from its source in Real County to where it flows into the the Gulf of Mexico through Corpus Christi Bay in Corpus Christi, Texas.
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